Pain on Inside of Ankle: What Lives There and What Helps

Pain on the inside of the ankle almost always involves one of three residents of that small, busy neighbourhood: the posterior tibial tendon, the tibial nerve, or the deltoid ligament. Each has its own way of announcing itself, and telling their patterns apart is genuinely useful. Just as useful, though less talked about, is the question of why the inner ankle is being asked to work so hard in the first place. That answer usually lives further up, in how the leg and pelvis organise themselves over the foot.

What actually sits on the inside of the ankle

Run a finger just behind the bony knob on the inner side of your ankle and you are touching a crowded corridor.

The posterior tibial tendon is the headline act. It comes down from a muscle deep in the calf, curves behind that inner ankle bone, and fans out under the foot, where it does a large share of the work of supporting the arch. Every step you take, it helps decide how much the arch yields and how much it springs back.

Sharing the corridor is the tibial nerve, travelling through a passage called the tarsal tunnel on its way to the sole of the foot. Nerves dislike being crowded or compressed, and when this one is irritated it tends to speak in its own vocabulary: burning, tingling, electric sensations that can reach into the sole and toes.

Below and around all of this sits the deltoid ligament, a broad, strong fan of tissue binding the inner ankle together. It is much sturdier than the ligaments on the outer side, which is why it complains far less often, and usually only after a real force.

Three common patterns of pain on the inside of the ankle

An ache that builds with time on your feet. Soreness behind or just below the inner ankle bone that grows over weeks, flares after long days of standing or walking, and sometimes comes with a tired, dragging feeling in the arch, tends to point toward the posterior tibial tendon. Some people notice the inner ankle looks a little puffy along the line of the tendon, or that rising onto the toes on that leg has become harder or uncomfortable.

This pattern deserves respect, because an overworked posterior tibial tendon can be the early chapter of a longer story. When the tendon can no longer do its share, the arch gradually settles and the foot drifts outward, a condition now called progressive collapsing foot deformity. It is not rare: the condition previously known as posterior tibial tendon dysfunction is estimated to affect somewhere between 3.3% and 10% of people, with the numbers varying by age and sex (StatPearls, 2023). Caught early, it is far easier to work with, which is exactly why a flattening arch or difficulty with a single leg heel raise belongs in front of a clinician rather than on a wait and see list.

Burning, tingling or numbness reaching into the sole. When the discomfort has an electrical quality, spreads toward the bottom of the foot, or wakes you at night, the tibial nerve in the tarsal tunnel is the more likely storyteller. Nerve symptoms are worth mentioning to a doctor sooner rather than later, because their causes range from simple swelling to things that deserve a proper look.

Pain after a specific twist or awkward landing. If you can name the moment it started, especially a landing where the foot rolled outward, the deltoid ligament may have been strained. Because it is so strong, a genuine deltoid injury often involves enough force that the joint should be examined, particularly if putting weight on the foot is hard.

Why the inner ankle takes the load it takes

Here is the part a purely local view misses. The inner ankle does not choose its own workload. How much the arch is pressed toward the floor with each step depends on how the knee tracks, how the hip rotates, how the pelvis travels over the standing leg, even how the ribs and head balance above all of it. Two people with identical ankles can load them completely differently because they stand and walk differently.

This is the idea the Feldenkrais Method® brings to a sore inner ankle, and it is offered as something to explore rather than a technique to apply. In slow, attentive lessons you might notice, perhaps for the first time, where your weight actually falls across each foot, what your knee does when you turn to reach a shelf, or how your pelvis shifts when you stand on one leg at the sink. None of this asks the ankle to change directly. It gives the nervous system richer information about the whole chain, and distribution of effort tends to follow attention. Walking itself often reorganises in the process, which is worth knowing about if your gait has already started adapting around the discomfort; there is more on that in our Feldypedia article on gait changes and walking difficulty.

To be clear about scope: exploratory movement of this kind does not repair a torn tendon or decompress a nerve, and it is not a substitute for the assessment and treatment a clinician provides. Where it earns its keep is in the territory around a diagnosis, the daily habits of standing, walking and turning that decide how much strain reaches the inner ankle between now and your next appointment.

What genuinely helps day to day

While you wait for an appointment, or alongside one, a few unglamorous things earn their place. Footwear with a firm heel counter and some arch support tends to reduce the tendon's moment to moment workload. Breaking long standing spells into shorter ones gives irritated tissue recovery windows. Gradual, comfortable movement generally serves better than either total rest or pushing through; an ankle that is warmed up with easy circles and gentle weight shifts usually tolerates a walk better than one taken straight from the sofa.

Attention is the other tool. Notice which activities reliably stir the ankle and which leave it quiet, and let that map guide your week. If you enjoy structured practice, the ideas above pair naturally with slow floor work; our collection of somatic exercises for beginners is a friendly place to start, and Feldy's free trial offers a week of short audio lessons that treat the foot, leg and pelvis as one conversation rather than separate parts.

If neighbouring areas are part of your picture, you may also find our guides on pain on top of the foot and stiff ankles useful for telling one story apart from another.

Common Questions about pain on the inside of the ankle (FAQ)

What causes pain on the inside of the ankle?

The usual suspects are the posterior tibial tendon, which curves behind the inner ankle bone and helps hold up the arch, the tibial nerve where it passes through the tarsal tunnel, and the deltoid ligament on the inner side of the joint. Achy soreness that builds with time on your feet points toward the tendon, burning or tingling into the sole points toward the nerve, and pain after a specific twist points toward the ligament.

Is it safe to keep walking with inner ankle pain?

Often yes, if the pain is mild, settles between walks, and is not getting worse week on week. Shorter, more frequent walks on even ground usually sit better than one long push. If walking reliably makes the inner ankle worse, or you find yourself limping, that is useful information to bring to a clinician rather than something to walk through.

How long does pain on the inside of the ankle take to settle?

Irritated tendons and mild ligament strains often ease over several weeks when the load on them becomes more reasonable. Nerve irritation can be slower and more changeable. If nothing has shifted after four to six weeks of sensible care, or things are trending downward, it is worth having someone examine the ankle properly.

How is inner ankle pain different from an ankle sprain?

Most ankle sprains happen on the outer side, when the foot rolls inward and stretches the outer ligaments. Inner ankle pain more often builds gradually without any single injury, which points toward the tendon or nerve rather than a sprain. A true inner side sprain of the deltoid ligament usually needs a memorable force, like landing awkwardly with the foot rolled outward.

Is this the same as plantar fasciitis?

No, though they are neighbours. Plantar fasciitis is felt under the heel and along the sole, classically sharpest with the first steps of the morning. Inner ankle pain sits higher, behind and below the inner ankle bone. The two can coexist because both are sensitive to how the arch is loaded, but they are different structures.

When should I see someone about pain on the inside of my ankle?

Promptly if you cannot take weight after an injury, if the ankle is hot, red or swelling quickly, if numbness is spreading into the sole, or if your arch is visibly lower than it used to be. Otherwise, a good rule is four to six weeks: if sensible self care has not moved things in that time, an examination will tell you far more than another month of guessing.